To find the critical number of that function we have to find the derivative and set it equal to 0 and solve for x. The derivative of the function is f'(x)=-10x+2. If we set it equal to 0 and solve, we have x = -2/-10 which simplifies to x = 1/5.
Equation
Because expressions don't contain equal signs
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The shoelace drawer is 7.911 inches wider than the paperclip drawer.
<h3>Measurement difference between two drawers</h3>
The height of shoelace drawer is = 12.49 inches
The height of paperclip drawer is = 4.579 inches
Therefore the measurement difference between the two drawer is = 12.49 inches - 4.579 inches
= 7.911 inches
Therefore, the shoelace drawer is 7.911 inches wider than the paperclip drawer.
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20 units
Perimeter =add up all sides.
Perimeter = 5+1+5+9
=20 units
